Fatal error: Uncaught Error: Class 'League\CommonMark\Inline\Element\AbstractStringContainer' not found in /var/www/html/fuel/vendor/league/commonmark/src/Inline/Element/Text.php:17 Stack trace: #0 {main} thrown in /var/www/html/fuel/vendor/league/commonmark/src/Inline/Element/Text.php on line 17